When comparing Tizen vs Sencha Touch, the Slant community recommends Tizen for most people. In the question“What are the best mobile web HTML5 frameworks?” Tizen is ranked 3rd while Sencha Touch is ranked 5th. The most important reason people chose Tizen is:
Some parts of the OS are open source.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Some parts of the OS are open source.
Pro Fast
Pro HTML5-based
Pro Native feel
Sencha Touch is well known for its ability to provide a native app experience through it's native-like themes and widgets.
Pro Detailed documentation
Sencha provides exhaustive documentation that covers all aspects of developing with their products.
They also provide a well written getting started guide that's easy to follow.
Cons
Con Based on EFL libraries
A perfect experience of a developer working with EFL: https://what.thedailywtf.com/topic/15001/enlightened
Con Worst Code Base
Amihai Neiderman, a Kaspersky Labs researcher said, “It may be the worst code I’ve ever seen, Everything you can do wrong there, they do it. You can see that nobody with any understanding of security looked at this code or wrote it.”
Con Lack of apps
Con Aesthetically unappealing
Con Lack of security
With the recent discoveries of a number of security flaws, tizen is no longer a secure OS that it advertises.
Con Commercial and expensive
Sencha Touch is targeted towards enterprise-level development, and the price tag reflects that.
There are many different product options available by Sencha. Most licenses start in the thousands of dollars, and require a minimum purchase of 5.